MPI from docker NERSC not working

[heather999]

Don't generally need MPI, but currently there is a GLIBC mismatch between the cray-mpich libraries and what is in the shifter image. Will need to address that if we want MPI supported in shifter for this environment

[heather999]

Matt has kindly provided openmpi support in conda-forge for external libraries: https://conda-forge.org/docs/user/tipsandtricks.html#using-external-message-passing-interface-mpi-libraries